Rajang Batang(PDF). Hydrology and Water Resources Research Laboratory, Kyoto University. 1991. Archived from the original(PDF) on 16 May 2021. Retrieved 29 September 2021.
Rajang Batang(PDF). Hydrology and Water Resources Research Laboratory, Kyoto University. 1991. Archived from the original(PDF) on 16 May 2021. Retrieved 29 September 2021.